Portable telephone housing



FIG. 1 is a top side plan view of a portable telephone housing showing our new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a rear side elevation view thereof;

FIG. 4 is a bottom side plan thereof;

FIG. 5 is a left side elevation view thereof; and,

FIG. 6 is a front side elevation view thereof. 

The ornamental design for a portable telephone housing, as shown and described. 